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Service providers: moving to e-invoicing in 2026

Since 1 January 2026, service providers and liberal professions must issue e-invoices through TTN. Four steps to get there.

— 5 min read

The 2026 Finance Law (article 53) extended mandatory e-invoicing to every service provider, liberal professions included. If you invoice services, here is how to move to El Fatoora without stopping your business.

Step 1: check that it applies to you

Invoices and fee notes for services are covered. Note commune 2/2026 excludes documents that are not invoices and accessory services (transport, installation) not declared as an activity. If in doubt, your accountant will decide.

Step 2: get a signing certificate

An e-invoice must be electronically signed. The certificate is issued by TunTrust, for example the DigiGO solution, in the name of the company or its representative. Allow a few days.

Step 3: join El Fatoora

You apply to Tunisie TradeNet (TTN). While your membership is pending, note commune 2/2026 lets you keep issuing paper invoices.

Step 4: invoice from connected software

The software must produce the TEIF (XML) file, sign it, send it to TTN and retrieve the unique reference. With IntelliFact, this happens when you confirm the invoice. The PDF sent to the customer then carries the TTN reference.

Common mistakes

  • Customer tax ID missing or malformed: fix it before issuing the invoice.
  • Invoice numbering with gaps or duplicates.
  • No VAT rate set on an item.

These three points are on the checklist IntelliFact shows before sending.

For the texts and penalties in detail, read our 2026 compliance guide.

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